:root {
    --beige-100: #e8e8e3;
    --beige-200: #ddddd5;
    --beige-300: #d1d1c7;
    --beige-400: #bfbfb1;
    --black-50:  #938f8a;
    --black-100: #6b645c;
    --black-200: #524d47;
    --black-300: #393632;
    --black-400: #080807;
    --card-bg:   #181715;

    --font-sans: 'Instrument Sans', 'Helvetica Neue', Helvetica, system-ui, -apple-system, Arial, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, 'DejaVu Sans Mono', monospace;

    --radius-small: 0.7rem;      
    --radius-main: 1.25rem;      
    --radius-lg: 1.9rem;         
    --radius-round: 100vw;

    --section-main: clamp(4rem, 7vw, 7rem);
    --section-large: clamp(5.5rem, 10vw, 10rem);
    --page-top: clamp(7rem, 12vw, 14rem);

    --site: min(100% - 2.5rem, 82rem);

    
    --bg: var(--black-400);
    --fg: var(--beige-100);
    --fg-dim: var(--black-50);
    --line: var(--black-300);
    --surface: var(--card-bg);
  }

  .t-dark  { --bg: var(--black-400); --fg: var(--beige-100); --fg-dim: var(--black-50);  --line: var(--black-300); --surface: var(--card-bg);
             --glass: rgba(232,232,227,.055); --glass-line: rgba(232,232,227,.13); --glass-hi: rgba(232,232,227,.16); --glass-shade: rgba(0,0,0,.55); }
  .t-light { --bg: var(--beige-300); --fg: var(--black-400); --fg-dim: var(--black-200); --line: var(--beige-400); --surface: var(--beige-200);
             --glass: rgba(255,255,255,.42); --glass-line: rgba(255,255,255,.75); --glass-hi: rgba(255,255,255,.9); --glass-shade: rgba(60,58,52,.16); }
  .t-mid   { --bg: var(--beige-400); --fg: var(--black-400); --fg-dim: var(--black-200); --line: var(--black-400); --surface: var(--beige-300);
             --glass: rgba(255,255,255,.38); --glass-line: rgba(255,255,255,.7); --glass-hi: rgba(255,255,255,.85); --glass-shade: rgba(60,58,52,.18); }

  *, *::before, *::after { box-sizing: border-box; }

  
  html { scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  
  [id] { scroll-margin-top: 5.5rem; }

  body {
    margin: 0;
    background: var(--black-400);
    color: var(--beige-100);
    font-family: var(--font-sans);
    font-size: clamp(1rem, 0.55vw + 0.86rem, 1.125rem);
    line-height: 1.5;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
  }

  
  a:not([class]), a:not([class]):visited { color: var(--fg); text-underline-offset: 3px; }
  a:not([class]):hover { color: var(--beige-400); }

  :focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }

  section { background: var(--bg); color: var(--fg); padding-block: var(--section-main); }
  .band { width: var(--site); margin-inline: auto; }

  
  h1, h2, h3, h4 { margin: 0; font-weight: 400; text-wrap: balance; }

  .display {
    font-size: clamp(3.25rem, 9vw, 9.25rem);
    line-height: 0.93;
    letter-spacing: -0.03em;
  }
  h1, .h1 {
    font-size: clamp(2.75rem, 6.4vw, 6rem);
    line-height: 0.99;
    letter-spacing: -0.03em;
  }
  h2, .h2 {
    font-size: clamp(2rem, 4.6vw, 4.75rem);
    line-height: 1.02;
    letter-spacing: -0.03em;
  }
  h3, .h3 {
    font-size: clamp(1.4rem, 2.3vw, 2.15rem);
    line-height: 1.1;
    letter-spacing: -0.025em;
  }
  h4, .h4 { font-size: clamp(1.125rem, 1.2vw, 1.35rem); line-height: 1.22; letter-spacing: -0.02em; }
  p { margin: 0; }

  .micro {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.02em;
    color: var(--fg-dim);
    margin: 0;
  }
  .lead { font-size: clamp(1.125rem, 1.1vw, 1.35rem); line-height: 1.42; letter-spacing: -0.015em; }
  .dim { color: var(--fg-dim); }
  .measure { max-width: 46ch; }
  .measure-wide { max-width: 62ch; }
  .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0; }

  .stack { display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start; }
  .stack-sm { display: flex; flex-direction: column; gap: 0.75rem; align-items: flex-start; }
  .stack-xl { display: flex; flex-direction: column; gap: clamp(2.75rem, 5vw, 4.5rem); }

  
  .ticks { margin: 1rem 0 0; padding-left: 1.15rem; max-width: 62ch; }
  .ticks li { margin-top: .7rem; line-height: 1.55; }
  .ticks li::marker { color: var(--fg-dim); }

  
  .nav-bar {
    position: sticky; top: 0; z-index: 50;
    
    background: color-mix(in srgb, var(--black-400) 96%, transparent);
    border-bottom: 1px solid var(--black-300);
    color: var(--beige-100);
  }
  .nav-in { width: var(--site); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 1rem; }
  .mark { font-family: var(--font-sans); font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; text-decoration: none; color: inherit; white-space: nowrap; }   
  .nav-links { display: flex; align-items: center; gap: 1.75rem; }
  
  .nav-links a:not(.abtn), .nav-links > a:not([class]):visited {
    font-family: var(--font-sans); font-size: 0.875rem; font-weight: 500; letter-spacing: -0.01em;
    color: var(--black-50); text-decoration: none; transition: color 0.2s ease;
  }
  .nav-links > a:not(.abtn):hover, .nav-links > a:not([class]):visited:hover, .nav-links > a.on { color: var(--beige-100); }
  @media (max-width: 48rem) { .nav-links .opt { display: none; } }

  
  .btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    border-radius: var(--radius-round);
    padding: 0.78rem 1.5rem;
    font-size: 0.92rem; letter-spacing: -0.01em;
    text-decoration: none; border: 1px solid transparent;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  }
  .btn-primary { background: var(--fg); color: var(--bg); }
  .btn-primary:hover { background: transparent; color: var(--fg); border-color: var(--fg); }
  .btn-ghost { background: transparent; color: var(--fg); border-color: color-mix(in srgb, var(--fg) 34%, transparent); }
  .btn-ghost:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
  .btn-sm { padding: 0.55rem 0.6rem 0.55rem 1.15rem; font-size: 0.82rem; }
  .btn-box {
    display: inline-flex; align-items: center; justify-content: center;
    width: 1.55em; height: 1.55em; margin-left: 0.15em;
    border: 1px solid currentColor; border-radius: 3px;
    font-size: 0.86em; line-height: 1; flex: none;
  }

  .link-arrow {
    display: inline-flex; align-items: center; gap: 0.45rem;
    color: var(--fg); text-decoration: none; font-size: 0.95rem;
    border-bottom: 1px solid color-mix(in srgb, currentColor 35%, transparent);
    padding-bottom: 0.2rem;
  }
  .link-arrow::after { content: "↗"; font-size: 0.85em; transition: transform 0.18s ease; }
  .link-arrow:hover::after { transform: translate(2px, -2px); }

  
  .hero { padding-top: var(--page-top); padding-bottom: var(--section-large); }
  .hero-grid { display: grid; grid-template-columns: 1fr; gap: clamp(2.5rem, 5vw, 4rem); }
  .hero-meta { display: flex; flex-wrap: wrap; gap: 2.5rem 4rem; padding-top: 2rem; border-top: 1px solid var(--line); }
  .stat { display: flex; flex-direction: column; gap: 0.35rem; }
  .stat-n { font-size: clamp(2rem, 3vw, 2.9rem); line-height: 1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }

  
  .statement { padding-block: var(--section-large); }
  .statement .band { display: flex; flex-direction: column; align-items: center; }
  .statement .lead { text-align: center; margin-top: clamp(2rem, 3.5vw, 3rem); }

  
  .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: clamp(2rem, 3.5vw, 3.5rem); }
  .col-item { display: flex; flex-direction: column; gap: 0.8rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
  .col-item p { font-size: 0.97rem; line-height: 1.48; color: var(--fg-dim); }


  
  .glass {
    position: relative;
    background: var(--glass);           
    border: 1px solid var(--glass-line);
  }
  .glass > * { position: relative; z-index: 1; }

  
  .card { border-radius: var(--radius-lg); overflow: hidden; }
  .card-top { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: space-between; align-items: flex-start; padding: clamp(1.6rem, 2.6vw, 2.4rem); }
  .card-name { font-size: clamp(2.5rem, 5vw, 4.25rem); line-height: 0.95; letter-spacing: -0.04em; }
  .tag {
    font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.01em;
    border: 1px solid var(--line); border-radius: var(--radius-round);
    padding: 0.42rem 0.85rem; color: var(--fg-dim); white-space: nowrap;
  }
  
  @media (max-width: 640px) { .tag { max-width: 100%; white-space: normal; border-radius: 1rem; } }
  .chart { padding: 0 clamp(1.6rem, 2.6vw, 2.4rem); }
  .chart svg { display: block; width: 100%; height: auto; }
  .chart-cap { font-family: var(--font-mono); font-size: 0.66rem; color: var(--fg-dim); padding: 0.75rem clamp(1.6rem, 2.6vw, 2.4rem) clamp(1.6rem, 2.6vw, 2.4rem); }

  .specs { border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
  .spec {
    padding: clamp(1.1rem, 1.8vw, 1.5rem) clamp(1.6rem, 2.6vw, 2.4rem);
    border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
    display: flex; flex-direction: column; gap: 0.4rem;
  }
  .spec-v { font-size: clamp(1.35rem, 1.9vw, 1.75rem); line-height: 1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
  .spec-k { font-family: var(--font-mono); font-size: 0.64rem; color: var(--fg-dim); }

  .caveat { padding: clamp(1.6rem, 2.6vw, 2.4rem); display: flex; flex-direction: column; gap: 1.1rem; }
  .caveat ol { margin: 0; padding-left: 1.15rem; display: flex; flex-direction: column; gap: 0.7rem; }
  .caveat li { font-size: 0.97rem; line-height: 1.46; color: var(--fg-dim); }
  .caveat li strong { color: var(--fg); font-weight: 500; }

  .card-foot { display: flex; flex-wrap: wrap; gap: 1.25rem; justify-content: space-between; align-items: center; padding: clamp(1.4rem, 2.2vw, 2rem) clamp(1.6rem, 2.6vw, 2.4rem); border-top: 1px solid var(--line); }
  .price { font-size: clamp(2.1rem, 3vw, 2.8rem); font-weight: 400; line-height: 1.05; letter-spacing: -0.035em; font-variant-numeric: tabular-nums; }   

  
  .tags { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: flex-end; }
  .tag-paused { border-style: dashed; border-color: var(--fg-dim); color: var(--fg); }
  .card.is-paused > :not(.card-top):not(.card-foot) { opacity: 0.45; }
  .card.is-paused .card-name, .card.is-paused .price { color: var(--fg-dim); }
  .btn.is-disabled, .btn.is-disabled:hover {
    background: transparent; color: var(--fg-dim);
    border: 1px dashed color-mix(in srgb, var(--fg-dim) 65%, transparent);
    cursor: not-allowed;
  }
  .btn.is-disabled .btn-box { border-style: dashed; }





  
  .rows { display: flex; flex-direction: column; }
  .row {
    display: grid; grid-template-columns: clamp(6rem, 11vw, 10rem) minmax(0, 1fr);
    gap: 1rem 2rem; align-items: start;
    padding-block: clamp(1.5rem, 2.6vw, 2.4rem); border-top: 1px solid var(--line);
  }
  .row:last-child { border-bottom: 1px solid var(--line); }
  .gutter { font-family: var(--font-mono); font-size: 0.68rem; color: var(--fg-dim); white-space: nowrap; }
  .gutter-n { color: var(--fg); }
  .row-body { display: flex; flex-direction: column; gap: 0.7rem; max-width: 52ch; }
  .row-body p { font-size: 0.99rem; line-height: 1.5; color: var(--fg-dim); }
  @media (max-width: 40rem) { .row { grid-template-columns: 1fr; gap: 0.5rem; } }

  
  .foot-top { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(2.5rem, 5vw, 5rem); align-items: start; }
  @media (max-width: 52rem) { .foot-top { grid-template-columns: 1fr; } }
  .foot-col { display: flex; flex-direction: column; gap: 1.1rem; }
  .foot-nav { display: flex; flex-direction: column; }
  .foot-nav a {
    font-size: clamp(1.5rem, 3.2vw, 2.5rem); letter-spacing: -0.03em; line-height: 1.05;
    color: var(--beige-100); text-decoration: none;
    padding-block: 0.55rem; border-bottom: 1px dotted var(--black-300);
    transition: color 0.2s ease, padding-left 0.25s cubic-bezier(0.16,1,0.3,1);
  }
  .foot-nav a:first-child { border-top: 1px dotted var(--black-300); }
  .foot-nav a:hover { padding-left: 0.6rem; color: #fff; }
  .foot-line { font-size: 0.95rem; line-height: 1.5; max-width: 42ch; color: var(--beige-200); }
  .foot-col--meta .dim { color: var(--black-50); }



  
  .mega {
    font-size: clamp(2.2rem, 14.6vw, 13.5rem);
    line-height: 0.86; letter-spacing: -0.045em; text-transform: uppercase;
    white-space: nowrap;
    text-align: center; padding-inline: 1.25rem;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  }
  .lead-lg { font-size: clamp(1.25rem, 2.1vw, 2rem); line-height: 1.3; letter-spacing: -0.02em; }

  
  .gal-ctrl { display: flex; flex-direction: column; gap: 1.1rem; }
  .gal-track { height: 1px; width: min(100%, 26rem); background: color-mix(in srgb, var(--fg) 22%, transparent); }
  .gal-fill { display: block; height: 1px; background: var(--fg); width: 25%; transition: width 0.35s cubic-bezier(0.16,1,0.3,1); }
  .gal-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }

  
  .faq-grid { display: grid; grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr); gap: clamp(2rem, 4vw, 4.5rem); align-items: start; }
  .faq-side { display: flex; flex-direction: column; gap: clamp(2.5rem, 6vw, 5rem); position: sticky; top: 6rem; }
  
  @media (max-width: 54rem) {
    .faq-grid { grid-template-columns: 1fr; }
    .faq-side { position: static; }
  }
  .helper { display: flex; flex-direction: column; gap: 0.9rem; align-items: flex-start; }
  .helper-t { font-size: 1.15rem; letter-spacing: -0.02em; }
  .helper-b { font-size: 0.92rem; line-height: 1.5; color: var(--fg-dim); max-width: 34ch; }
  
  .faq-main { display: flex; flex-direction: column; gap: 0; }
  .faq-main > :not(details) { margin-bottom: clamp(2rem, 3.5vw, 3rem); }   
  .faq-main details:first-of-type { border-top: 1px dotted var(--line); }
  .faq-main details { border-bottom: 1px dotted var(--line); }

  
  .hero { position: relative; isolation: isolate; }
  .hero-bg {
    position: absolute; inset: 0; width: 100%; height: 100%;
    display: block; z-index: -2; opacity: 0;
    transition: opacity 1.2s ease;
  }
  
  .hero::before {
    content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background-image: radial-gradient(circle, rgba(232,232,227,0.11) 0.5px, transparent 0.6px);
    background-size: 3px 3px;
  }
  .hero-bg.ready { opacity: 1; }
  .hero > .band, .hero > .hero-mark { position: relative; z-index: 1; }

  
  .hero-mark {
    
    --mark-chars: 4;
    font-size: min(40vw, 38rem, 140vw / var(--mark-chars));
    line-height: 0.72;
    letter-spacing: -0.05em;
    text-align: center;
    color: color-mix(in srgb, var(--fg) 52%, transparent);
    margin-top: clamp(1.5rem, 3vw, 3rem);
    margin-bottom: -0.17em;
    white-space: nowrap;
    user-select: none;
    pointer-events: none;
  }
  
  .hero { overflow: hidden; padding-bottom: 0; }
  
  .hero { padding-top: clamp(4.5rem, 5.5vw, 6.5rem); }
  .hero:not(:has(.hero-mark)) { padding-bottom: var(--section-large); }

  
  .interleave {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
    gap: 0 clamp(0.6rem, 1.2vw, 1.4rem); text-align: center;
  }
  .il-word {
    font-size: clamp(2.2rem, 7vw, 6.5rem); line-height: 0.98; letter-spacing: -0.035em;
    font-weight: 400; margin: 0; position: relative; z-index: 1;
  }
  .il-media {
    position: relative; z-index: 2; margin: 0;
    flex: 0 0 clamp(9rem, 17vw, 15rem);
    border-radius: var(--radius-main); padding: 0.9rem 0.9rem 0.7rem;
    margin-inline: 0;
    box-shadow: 0 18px 50px -22px rgba(0,0,0,0.55);
  }
  .il-media svg { display: block; width: 100%; height: clamp(70px, 8vw, 104px); overflow: visible; }
  .il-media .ln { fill: none; stroke: var(--fg); stroke-width: 1.5; stroke-linejoin: round;
                  stroke-linecap: round; vector-effect: non-scaling-stroke; }
  .il-media figcaption {
    font-family: var(--font-mono); font-size: 0.62rem; color: var(--fg-dim);
    margin-top: 0.5rem; text-align: left;
  }
  @media (max-width: 44rem) {
    .il-media { margin-inline: 0; flex-basis: min(72%, 18rem); margin-block: 1.1rem; }
  }

  
  .chips {
    display: flex; flex-wrap: wrap; gap: 1.75rem 3rem; justify-content: center;
    margin-top: clamp(2.5rem, 4vw, 3.5rem);
  }
  .chip-item { display: flex; flex-direction: column; gap: 0.5rem; align-items: center; text-align: center; }
  .chip {
    display: inline-block; font-size: clamp(1.15rem, 1.7vw, 1.5rem); letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums; padding: 0.24em 0.55em; border-radius: var(--radius-small);
    background: color-mix(in srgb, var(--fg) 13%, transparent);
  }
  .chip-item p { font-size: 0.9rem; color: var(--fg-dim); max-width: 22ch; line-height: 1.4; }

  
  body::after {
    content: ""; position: fixed; inset: 0; z-index: 9999; pointer-events: none;
    opacity: 0.16; mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  
  .gallery { display: flex; flex-direction: column; gap: 1.75rem; margin-top: clamp(2.5rem, 4vw, 3.5rem); }
  .rail {
    display: flex; gap: 1.25rem; overflow-x: auto; scroll-snap-type: x mandatory;
    scroll-behavior: smooth; scrollbar-width: none;
    padding-inline: max(1.25rem, calc((100% - 82rem) / 2)); padding-bottom: 0.5rem;
  }
  .rail::-webkit-scrollbar { display: none; }
  .slide {
    flex: 0 0 min(88%, 46rem); scroll-snap-align: start;
    border-radius: var(--radius-main);
    padding: clamp(1.4rem, 2.4vw, 2rem); display: flex; flex-direction: column; gap: 1.25rem;
  }
  .slide-top { display: flex; flex-direction: column; gap: 0.4rem; }
  .idx { font-family: var(--font-mono); font-size: 0.68rem; color: var(--fg-dim); }
  .idx-sep { margin-inline: 0.15em; }          
  .slide-t { font-size: clamp(1.35rem, 2vw, 1.85rem); letter-spacing: -0.028em; line-height: 1.1; }
  .slide-s { font-size: 0.92rem; color: var(--fg-dim); }
  .plot { width: 100%; }
  .plot svg { display: block; width: 100%; height: clamp(150px, 22vw, 230px); overflow: visible; }
  .plot .ln { fill: none; stroke: var(--fg); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
  .plot .ln.thin { stroke-width: 1.1; }
  .plot .area { fill: color-mix(in srgb, var(--fg) 16%, transparent); stroke: none; }
  .plot .axis { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
  .plot rect.up { fill: var(--fg); }
  .plot rect.dn { fill: color-mix(in srgb, var(--fg) 34%, transparent); }
  .slide-f { font-family: var(--font-mono); font-size: 0.7rem; color: var(--fg-dim); line-height: 1.5; }
  .gal-ctrl { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
  .gal-idx { font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-dim); font-variant-numeric: tabular-nums; }
  .gal-btns { display: flex; gap: 0.6rem; }
  .gbtn {
    width: 2.6rem; height: 2.6rem; border-radius: var(--radius-round);
    border: 1px solid var(--line); background: transparent; color: var(--fg);
    font-size: 0.95rem; cursor: pointer; font-family: var(--font-sans);
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  }
  .gbtn:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
  .gbtn[disabled] { opacity: 0.35; cursor: default; }
  .gbtn[disabled]:hover { background: transparent; color: var(--fg); border-color: var(--line); }

  
  .sizing { padding: clamp(1.6rem, 2.6vw, 2.4rem); display: flex; flex-direction: column; gap: 1.25rem; border-top: 1px solid var(--line); }
  .sizing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1.25rem; }
  .size-col { border-radius: var(--radius-main); padding: 1.4rem; display: flex; flex-direction: column; gap: 1rem; }
  .size-col--on { border-color: var(--fg); }
  .size-head { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; justify-content: space-between; }
  .size-rows { margin: 0; display: flex; flex-direction: column; }
  .size-rows > div { display: flex; justify-content: space-between; gap: 1rem; padding-block: 0.5rem; border-bottom: 1px solid var(--line); }
  .size-rows > div:last-child { border-bottom: 0; }
  .size-rows dt { margin: 0; font-size: 0.9rem; color: var(--fg-dim); }
  .size-rows dd { margin: 0; font-size: 0.95rem; font-variant-numeric: tabular-nums; }

  
  .pain { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: 1.4rem 1.75rem; }
  .pain-item { display: flex; flex-direction: column; gap: 0.35rem; }
  .pain-v { font-size: clamp(1.5rem, 2.1vw, 2rem); line-height: 1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
  .pain-k { font-size: 0.86rem; line-height: 1.4; color: var(--fg-dim); }
  .pain-note { font-size: 0.95rem; line-height: 1.5; color: var(--fg-dim); max-width: 64ch; }


  
  .calc { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(2rem,4vw,4rem); align-items: start; }
  @media (max-width: 54rem) { .calc { grid-template-columns: 1fr; } }
  .calc-ctrl { display: flex; flex-direction: column; gap: clamp(2rem,3.5vw,3rem); }
  .calc-field { display: flex; flex-direction: column; gap: .75rem; }
  .calc-head { display: flex; justify-content: space-between; align-items: baseline; }
  .calc-v { font-size: clamp(2.2rem,4vw,3.4rem); line-height: 1; letter-spacing: -.035em; font-variant-numeric: tabular-nums; }
  input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 1px; background: var(--line); margin: .9rem 0; }
  input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 1.15rem; height: 1.15rem; border-radius: 50%; background: var(--fg); cursor: pointer; }
  input[type=range]::-moz-range-thumb { width: 1.15rem; height: 1.15rem; border: 0; border-radius: 50%; background: var(--fg); cursor: pointer; }
  .curve { width: 100%; height: 3.5rem; display: block; }
  .curve path { fill: none; stroke: color-mix(in srgb, var(--fg) 45%, transparent); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
  .curve line { stroke: var(--fg); stroke-width: 1; vector-effect: non-scaling-stroke; }
  .seg { display: flex; gap: .5rem; flex-wrap: wrap; }
  .seg button {
    font-family: var(--font-sans); font-size: .9rem; padding: .6rem 1.1rem; cursor: pointer;
    background: transparent; color: var(--fg); border: 1px solid var(--line); border-radius: var(--radius-round);
    transition: background-color .2s, color .2s, border-color .2s;
  }
  .seg button.on { background: var(--fg); color: var(--bg); border-color: var(--fg); }
  .calc-out { display: flex; flex-direction: column; margin: 0; }
  .calc-out > div { display: flex; justify-content: space-between; gap: 1.5rem; align-items: baseline;
                    padding-block: .85rem; border-bottom: 1px solid var(--line); }
  .calc-out > div:first-child { border-top: 1px solid var(--line); }
  .calc-out dt { margin: 0; font-size: .95rem; color: var(--fg-dim); }
  .calc-out dd { margin: 0; font-size: 1.05rem; font-variant-numeric: tabular-nums; }
  .calc-out .hi dd { font-size: clamp(1.3rem,2vw,1.75rem); letter-spacing: -.03em; }

  
  .licence {
    display: flex; flex-direction: column; gap: 0.7rem;
    padding: clamp(1.4rem, 2.2vw, 1.9rem) clamp(1.6rem, 2.6vw, 2.4rem);
    border-top: 1px solid var(--line);
  }
  .licence-head { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: space-between; align-items: baseline; }
  .licence-count { font-size: 0.97rem; font-variant-numeric: tabular-nums; }
  .licence-count strong { font-weight: 500; }
  .licence-note { font-size: 0.86rem; color: var(--fg-dim); }
  .licence-note a { color: var(--fg); text-underline-offset: 3px; }

  
  .steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: clamp(2rem, 3.5vw, 3.5rem); }
  .step { display: flex; flex-direction: column; gap: 0.9rem; }
  .step p { font-size: 0.97rem; line-height: 1.48; color: var(--fg-dim); }

  
  .split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(2.5rem, 5vw, 5rem); align-items: start; }
  @media (max-width: 54rem) { .split { grid-template-columns: 1fr; } }

  .terms { display: flex; flex-direction: column; margin: 0; }
  .term { display: flex; justify-content: space-between; gap: 1.5rem; padding-block: 0.95rem; border-bottom: 1px solid var(--line); }
  .term:first-child { border-top: 1px solid var(--line); }
  .term dt { margin: 0; font-size: 0.97rem; color: var(--fg-dim); }
  .term dd { margin: 0; font-size: 0.97rem; font-variant-numeric: tabular-nums; }

  
  details { border-bottom: 1px solid var(--line); }
  details:first-of-type { border-top: 1px solid var(--line); }
  summary {
    cursor: pointer; list-style: none;
    padding-block: clamp(1.1rem, 1.7vw, 1.5rem);
    display: flex; gap: 2rem; justify-content: space-between; align-items: baseline;
    font-size: clamp(1.15rem, 1.7vw, 1.6rem); letter-spacing: -0.025em; line-height: 1.15;
  }
  summary::-webkit-details-marker { display: none; }
  
  summary::after {
    content: ""; flex: none; align-self: center;
    width: 0.5em; height: 0.5em; color: var(--fg-dim);
    border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
    transform: translateY(-0.15em) rotate(45deg); transition: transform 0.2s ease;
  }
  details[open] > summary::after { transform: translateY(0.12em) rotate(225deg); }
  details[data-state="closed"] > summary::after { transform: translateY(-0.15em) rotate(45deg); }
  details > p, details > .reveal > p { padding-bottom: 1.5rem; max-width: 62ch; color: var(--fg-dim); font-size: 0.99rem; line-height: 1.5; }

  
  footer { background: var(--black-400); color: var(--beige-100); padding-block: clamp(3rem, 5vw, 5rem) 3rem; border-top: 1px solid var(--black-300); }
  .disclosure { margin-top: clamp(2.5rem, 4vw, 4rem); padding-top: 1.75rem; border-top: 1px solid var(--black-300); }
  .disclosure p { font-size: 0.8rem; line-height: 1.55; color: var(--black-50); max-width: 74ch; }
  .disclosure strong { color: var(--beige-200); font-weight: 500; }
  
  section .disclosure { margin-top: 0; padding-top: 0; border-top: 0; display: grid; gap: 1rem; }
  section .disclosure p { font-size: clamp(1.125rem, 1.1vw, 1.35rem); line-height: 1.42; color: var(--fg-dim); max-width: 46ch; }
  section .disclosure strong { color: var(--fg); }

  @media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }



  
  
  .split-lines .ln {
    display: block;
    overflow: hidden;
    padding-top: 0.12em;
    padding-bottom: 0.20em;
    margin-top: -0.12em;
    margin-bottom: -0.20em;
  }
  .split-lines .ln > i {
    display: block; font-style: inherit;
    transform: translateY(108%);
    transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: calc(var(--ln) * 0.085s);
  }
  .split-lines.is-in .ln > i { transform: none; }

  
  
  [data-rise] {
    transform: translateY(32px);
    transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: calc(var(--i, 0) * 0.07s);
  }
  [data-rise].is-in { transform: none; }

  
  
  .chart svg path { stroke-dasharray: 4000; stroke-dashoffset: 4000; }
  .chart.is-in svg path {
    transition: stroke-dashoffset 2.2s cubic-bezier(0.33, 1, 0.68, 1);
    stroke-dashoffset: 0;
  }

  
  .nav-bar { transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1); }
  .nav-bar.is-hidden { transform: translateY(-101%); }

  @media (prefers-reduced-motion: reduce) {
    .split-lines .ln > i,
    [data-rise] { opacity: 1 !important; transform: none !important; transition: none !important; }
    .chart svg path { stroke-dasharray: none; stroke-dashoffset: 0; }
    .nav-bar.is-hidden { transform: none; }
  }



.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.5rem;
}
.actions > .btn { flex: 0 0 auto; }


code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  padding: 0.15em 0.42em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  white-space: nowrap;
}



.lightbox {
  border: 0;
  padding: 0;
  max-width: min(1400px, 94vw);
  max-height: 92vh;
  width: 100%;
  background: var(--surface);
  color: var(--fg);
  border-radius: var(--radius-lg);
  overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain;
}
.lightbox::backdrop {
  background: color-mix(in srgb, #000 78%, transparent);
  backdrop-filter: blur(6px);
}

.lb-in { display: flex; flex-direction: column; }
.lb-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 1.5rem; padding: clamp(1.2rem, 2.4vw, 2rem) clamp(1.4rem, 2.6vw, 2.4rem) 0;
}
.lb-t { font-size: clamp(1.15rem, 2.2vw, 1.7rem); letter-spacing: -0.02em; }
.lb-s { font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-dim); margin-top: 0.35rem; }


.lb-fig {
  flex: 1 1 auto;
  min-height: 0;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(1rem, 2.4vw, 2rem) clamp(1.4rem, 2.6vw, 2.4rem);
}
.lb-fig > * { width: 100%; }
.lb-fig svg, .lb-fig img { width: 100%; height: auto; max-height: min(66vh, calc(92vh - 16rem)); display: block; object-fit: contain; }
.lb-cap {
  font-family: var(--font-mono); font-size: 0.68rem; line-height: 1.5;
  color: var(--fg-dim);
  padding: 0 clamp(1.4rem, 2.6vw, 2.4rem) clamp(1rem, 2vw, 1.4rem);
}
.lb-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.9rem clamp(1.4rem, 2.6vw, 2.4rem) clamp(1.2rem, 2.4vw, 2rem);
  position: sticky; bottom: 0; margin-top: auto; background: var(--surface);
}
.lb-idx { font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-dim); font-variant-numeric: tabular-nums; }
.lb-btns { display: flex; gap: 0.6rem; }


.gallery .slide { cursor: zoom-in; }
.gallery .slide:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }
.slide-zoom {
  position: absolute; top: 0.9rem; right: 0.9rem;
  font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.04em;
  padding: 0.3rem 0.55rem; border-radius: 999px;
  color: var(--fg-dim);
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  opacity: 0; transition: opacity 0.25s ease;
  pointer-events: none;
}
.gallery .slide { position: relative; }
.gallery .slide:hover .slide-zoom,
.gallery .slide:focus-visible .slide-zoom { opacity: 1; }


@media (hover: none) {
  .lightbox::backdrop { backdrop-filter: none; -webkit-backdrop-filter: none; background: color-mix(in srgb, #000 86%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .lightbox::backdrop { backdrop-filter: none; }
  .slide-zoom { transition: none; }
}


  
  @property --mask-stop { syntax: "<percentage>"; inherits: false; initial-value: 100%; }
  .reveal {
    --mask-stop: 100%;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(black var(--mask-stop), transparent var(--mask-stop));
    mask-image: linear-gradient(black var(--mask-stop), transparent var(--mask-stop));
  }
  
  .faq-main summary:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }

  
  .buy-menu { position: relative; display: inline-flex; }
  .menu {
    position: absolute; top: calc(100% + 0.35rem); right: 0; z-index: 60;
    min-width: 13rem; padding: 0.25rem;
    display: flex; flex-direction: column;
    background: var(--card-bg);
    border: 1px solid color-mix(in srgb, var(--beige-100) 11%, transparent);
    border-radius: 0.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform-origin: top right; outline: none;
  }
  .menu[hidden] { display: none; }
  
  .buy-trigger[aria-expanded="true"] { box-shadow: 0 0 0 2px var(--black-300); }
  .menu-pill {
    position: absolute; left: 0; top: 0; z-index: 0; pointer-events: none;
    border-radius: 0.375rem; opacity: 0;
    background: color-mix(in srgb, var(--beige-100) 9%, var(--card-bg));
    transition: transform 0.5s var(--spring, cubic-bezier(0.22, 1, 0.36, 1)),
                width 0.5s var(--spring, cubic-bezier(0.22, 1, 0.36, 1)),
                height 0.5s var(--spring, cubic-bezier(0.22, 1, 0.36, 1)),
                opacity 0.15s ease;
  }
  .menu-label {
    position: relative; z-index: 1; padding: 0.375rem 0.5rem;
    font-family: var(--font-sans); font-size: 0.875rem; font-weight: 600; color: var(--beige-100);
  }
  .menu-sep {
    position: relative; z-index: 1; height: 1px; margin: 0.25rem -0.25rem;
    background: color-mix(in srgb, var(--beige-100) 11%, transparent);
  }
  .nav-links .menu-item {
    position: relative; z-index: 1;
    display: flex; align-items: center; justify-content: space-between; gap: 2rem;
    padding: 0.375rem 0.5rem; border-radius: 0.375rem;
    font-family: var(--font-sans); font-size: 0.875rem; font-weight: 500; letter-spacing: 0;
    color: var(--beige-100); text-decoration: none; outline: none; cursor: default;
  }
  .mi-name { white-space: nowrap; }
  .mi-meta { font-size: 0.75rem; letter-spacing: 0.1em; color: var(--black-50); white-space: nowrap; }

  
  .download {
    display: grid; grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
    gap: clamp(2rem, 4vw, 4.5rem); align-items: start;
    padding-top: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line);
  }
  @media (max-width: 48rem) { .download { grid-template-columns: minmax(0, 1fr); } }
  .download h3 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); letter-spacing: -0.025em; line-height: 1.15; font-weight: 400; }
  .download .dim { color: var(--fg-dim); font-size: 0.99rem; line-height: 1.5; max-width: 42ch; }

  
  .files {
    position: relative; height: 22rem; overflow: auto; padding: 0.5rem;
    border: 1px solid color-mix(in srgb, var(--beige-100) 11%, transparent);
    border-radius: 0.75rem;
    scrollbar-width: thin; scrollbar-color: var(--black-300) transparent;
  }
  .files-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
  .files-pill {
    position: absolute; left: 0; top: 0; z-index: 0; pointer-events: none;
    border-radius: 0.5rem; opacity: 0;
    background: color-mix(in srgb, var(--beige-100) 9%, var(--bg));
    transition: transform 0.5s var(--spring, cubic-bezier(0.22, 1, 0.36, 1)),
                width 0.5s var(--spring, cubic-bezier(0.22, 1, 0.36, 1)),
                height 0.5s var(--spring, cubic-bezier(0.22, 1, 0.36, 1)),
                opacity 0.15s ease;
  }
  
  .files details, .files details:first-of-type { border: 0; }
  .files summary {
    padding-block: 0; font-size: inherit; letter-spacing: 0; line-height: inherit;
    display: flex; align-items: center; justify-content: flex-start; gap: 0.5rem;
  }
  .files summary::after { content: none; }
  
  .files .frow {
    position: relative; z-index: 1;
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem; border-radius: 0.5rem; min-width: 0;
    font-family: var(--font-sans); font-size: 0.875rem; font-weight: 500; line-height: 1.25;
    color: var(--beige-100);
  }
  .files summary.frow { cursor: pointer; }
  .files .frow.file { cursor: default; }                 
  .files summary.frow:focus-visible { outline: 1px solid var(--fg-dim); outline-offset: -1px; }
  .files .ico { flex: none; display: inline-grid; width: 1.125rem; height: 1.125rem; color: inherit; }
  .files .ico svg { grid-area: 1 / 1; width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  .files .ico-open { display: none; }
  .files .folder[open] > summary .ico-open { display: block; }
  .files .folder[open] > summary .ico-shut { display: none; }
  .files .folder[data-state="closed"] > summary .ico-open { display: none; }
  .files .folder[data-state="closed"] > summary .ico-shut { display: block; }
  .files .name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  
  .files .folder-content { position: relative; margin-left: 1rem; padding-left: 0.5rem; }
  .files .folder-content::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 1px;
    background: color-mix(in srgb, var(--beige-100) 11%, transparent);
  }

  
  .btn.flip, .gbtn.flip {
    display: inline-grid; padding: 0; border: 0; background: none;
    perspective: 1000px; transition: scale 0.15s ease;
  }
  .btn.flip { border-radius: var(--radius-round); }
  .flip-face {
    grid-area: 1 / 1;
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.78rem 1.5rem; border: 1px solid transparent; border-radius: inherit;
    transition: transform 0.6s var(--spring-flip, cubic-bezier(0.3, 1.35, 0.6, 1)),
                opacity 0.6s var(--spring-flip, cubic-bezier(0.3, 1.35, 0.6, 1));
  }
  .btn-sm .flip-face { padding: 0.55rem 0.6rem 0.55rem 1.15rem; }
  .gbtn .flip-face { padding: 0; }
  .flip-back { opacity: 0; transform: translateY(-50%) rotateX(90deg); }
  .btn-primary .flip-front { background: var(--fg); color: var(--bg); }
  .btn-primary .flip-back  { background: transparent; color: var(--fg); border-color: var(--fg); }
  .btn-ghost .flip-front   { color: var(--fg); border-color: color-mix(in srgb, var(--fg) 34%, transparent); }
  .btn-ghost .flip-back, .gbtn .flip-back { background: var(--fg); color: var(--bg); border-color: var(--fg); }
  .gbtn .flip-front { color: var(--fg); border-color: var(--line); }
  @media (hover: hover) {
    .flip:not([disabled]):hover .flip-front { opacity: 0; transform: translateY(50%) rotateX(90deg); }
    .flip:not([disabled]):hover .flip-back  { opacity: 1; transform: none; }
  }
  .flip:focus-visible .flip-front { opacity: 0; transform: translateY(50%) rotateX(90deg); }
  .flip:focus-visible .flip-back  { opacity: 1; transform: none; }
  .flip:not([disabled]):active { scale: 0.95; }
  @media (prefers-reduced-motion: reduce) {
    .flip-face { transition: opacity 0.15s linear; }
    .flip-back, .flip:hover .flip-front, .flip:focus-visible .flip-front { transform: none; }
  }

  
  .seg {
    position: relative; display: inline-flex; gap: 0; flex-wrap: nowrap; align-self: flex-start;
    padding: 3px; border-radius: var(--radius-round);
    background: color-mix(in srgb, var(--fg) 8%, transparent);
  }
  .seg button {
    position: relative; z-index: 1; border: 0; background: transparent; color: var(--fg-dim);
    font-weight: 500; white-space: nowrap; transition: color 0.5s ease-in-out;
  }
  .seg button.on { background: var(--bg); color: var(--fg); border-color: transparent; box-shadow: 0 1px 3px rgb(0 0 0 / 0.12); }
  .seg.has-pill button.on { background: transparent; box-shadow: none; }
  .seg-pill {
    position: absolute; left: 0; top: 0; z-index: 0; opacity: 0; pointer-events: none;
    border-radius: var(--radius-round); background: var(--bg);
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.12), 0 1px 2px rgb(0 0 0 / 0.08);
    transition: transform 0.5s var(--spring-tab, cubic-bezier(0.25, 1.1, 0.5, 1)),
                width 0.5s var(--spring-tab, cubic-bezier(0.25, 1.1, 0.5, 1));
  }
  @media (max-width: 30rem) { .seg button { padding-inline: 0.8rem; font-size: 0.85rem; } }

  
  .code {
    position: relative; display: flex; flex-direction: column; overflow: hidden;
    border: 1px solid var(--line); border-radius: 0.5rem;
    background: color-mix(in srgb, var(--fg) 4%, var(--bg));
    margin-top: 1.25rem;                 
  }
  .code-head {
    display: flex; align-items: center; gap: 0.5rem; height: 2.5rem; padding-inline: 1rem;
    background: color-mix(in srgb, var(--fg) 7%, var(--bg));
    border-bottom: 1px solid var(--line);
    font-size: 0.875rem; color: var(--fg-dim);
  }
  .code-ico { width: 1rem; height: 1rem; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  .code-copy {
    margin-left: auto; margin-right: -0.5rem; display: inline-grid; place-items: center;
    width: 1.75rem; height: 1.75rem; padding: 0; border: 0; border-radius: 0.375rem;
    background: transparent; color: var(--fg-dim); cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
  }
  .code-copy:hover { background: color-mix(in srgb, var(--fg) 10%, transparent); color: var(--fg); }
  .code-copy[hidden] { display: none; }
  .cc {
    grid-area: 1 / 1; width: 0.875rem; height: 0.875rem; fill: none; stroke: currentColor;
    stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
    transition: scale 0.25s, opacity 0.25s, filter 0.25s;
  }
  .cc-done, .code-copy.is-copied .cc-copy { scale: 0; opacity: 0.4; filter: blur(4px); }
  .code-copy.is-copied .cc-done { scale: 1; opacity: 1; filter: none; }
  .code-body {
    margin: 0; padding: 1rem; overflow-x: auto;
    font-family: var(--font-mono); font-size: 13px; line-height: 1.7; color: var(--fg);
    white-space: pre;
  }
  .code-body code { display: block; font: inherit; background: none; padding: 0; border: 0; color: inherit; white-space: pre; border-radius: 0; }
  .tk-p { color: var(--fg-dim); user-select: none; }
  .tk-c { color: var(--fg); font-weight: 600; }
  .tk-a { color: color-mix(in srgb, var(--fg) 78%, var(--bg)); }
  .tk-m { color: var(--fg-dim); font-style: italic; }
  .code-caret { display: inline-block; width: 1ch; margin-left: 1px; color: var(--fg); }

  
  .nav-links > a:not(.btn), .nav-bar .mark { position: relative; }
  .nav-links > a:not(.btn)::after { content: ""; position: absolute; inset: -14px -12px; }
  .nav-bar .mark::after { content: ""; position: absolute; inset: -10px -8px; }
  
  .btn.flip { min-height: 44px; align-items: center; }
  .gbtn { width: 2.75rem; height: 2.75rem; }
  .seg button { min-height: 44px; }
  input[type=range] { height: 44px; margin: 0; background: transparent; cursor: pointer; }
  input[type=range]::-webkit-slider-runnable-track { height: 1px; background: var(--line); }
  input[type=range]::-webkit-slider-thumb { margin-top: calc(-0.575rem + 0.5px); }
  input[type=range]::-moz-range-track { height: 1px; background: var(--line); }
  input[type=range]:focus-visible { outline-offset: 2px; }
  .files .frow { min-height: 2.75rem; }
  .files { height: 27rem; }                       
  .code-head { height: 2.75rem; }
  .code-copy { position: relative; width: 2.75rem; height: 2.75rem; margin-right: -0.9rem; background: transparent !important; }
  .code-copy::before { content: ""; position: absolute; inset: 0.5rem; border-radius: 0.375rem; transition: background-color 0.2s; }
  .code-copy:hover::before { background: color-mix(in srgb, var(--fg) 10%, transparent); }

  
  .abtn {
    position: relative; display: inline-flex; align-items: center; justify-content: center;
    height: 2.25rem; padding: 0 1rem; border: 0; border-radius: 0.375rem;
    font-family: var(--font-sans); font-size: 0.875rem; font-weight: 500; line-height: 1;
    letter-spacing: -0.01em; white-space: nowrap; text-decoration: none; cursor: pointer;
    background: var(--beige-100); color: var(--black-400);
    transition: background-color 0.2s ease, box-shadow 0.2s ease,
                scale 0.35s var(--spring-press, cubic-bezier(0.3, 1.4, 0.6, 1));
  }
  .abtn::after { content: ""; position: absolute; inset: -4px 0; }
  .abtn:hover { background: color-mix(in srgb, var(--beige-100) 90%, var(--black-400)); }
  @media (hover: hover) { .abtn:hover { scale: 1.05; } }
  .abtn:active { scale: 0.95; }
  .abtn:focus-visible { outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--beige-100) 50%, transparent); }
  @media (prefers-reduced-motion: reduce) { .abtn, .abtn:hover, .abtn:active { scale: none; transition: background-color 0.2s ease; } }

  
  .orbit { position: relative; width: min(100% - 2.5rem, 82rem); margin-inline: auto; }
  .orbit.is-live .slide {
    position: absolute; left: 50%; top: 44px; margin: 0;
    width: min(78vw, 21rem); padding: 1rem; gap: 0;
    border-radius: 1.9rem; border: 1px solid rgb(0 0 0 / 0.1);
    background: #e9e6df; color: var(--black-400);
    transform-origin: 50% 100%; cursor: pointer; outline: none;
    transition: transform 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  .orbit.is-live .slide:focus-visible { box-shadow: 0 0 0 2px #e9e6df, 0 0 0 4px rgb(8 8 7 / 0.45); outline: none; }
  .orbit.is-live .slide-top { display: contents; }
  .orbit.is-live .plot {
    order: 0; position: relative; aspect-ratio: 1.36; width: 100%; overflow: hidden;
    display: flex; align-items: center; justify-content: center; padding: 1.1rem 0.9rem;
    border-radius: 1.45rem; border: 1px solid rgb(0 0 0 / 0.08); background: rgb(0 0 0 / 0.045);
    color: var(--black-400);
  }
  .orbit.is-live .plot svg { width: 100%; height: 100%; }
  .orbit.is-live .plot img { width: calc(100% + 1.8rem) !important; height: calc(100% + 2.2rem) !important; max-width: none;
                             margin: -1.1rem -0.9rem; object-fit: cover; border-radius: 0 !important; }
  .orbit.is-live .idx {
    order: 1; margin: 1.5rem 0.5rem 0; font-family: var(--font-sans); font-size: 0.72rem; font-weight: 600;
    letter-spacing: 0.18em; text-transform: uppercase; color: #5f5f67;
  }
  .orbit.is-live .slide-t {
    order: 2; margin: 0.5rem 0.5rem 0; font-size: 1.6rem; font-weight: 600; line-height: 1.05;
    letter-spacing: -0.04em; color: #09090b;
  }
  .orbit.is-live .slide-s {
    order: 3; margin: 0.75rem 0.5rem 0; max-width: 17rem; font-size: 0.95rem; font-weight: 500;
    line-height: 1.42; letter-spacing: -0.01em; color: #3f3f46;
  }
  
  .orbit.is-live .slide-f, .orbit.is-live .chart-cap {
    order: 4; margin: 0 0.5rem 0.5rem; padding: 0.9rem 0 0; border-top: 1px solid rgb(0 0 0 / 0.1);
    font-family: var(--font-sans); font-size: 0.8rem; font-weight: 500; letter-spacing: 0;
    line-height: 1.5; text-transform: none; color: #52525b;
  }
  .orbit.is-live .slide-s { margin-bottom: 1.1rem; }
  .orbit.is-live:not(.is-swipe) .slide-f, .orbit.is-live:not(.is-swipe) .chart-cap { margin-top: auto; }
  
  .orbit.is-live .slide-zoom {
    top: 1.75rem; right: 1.75rem; z-index: 2; opacity: 1; display: grid; place-items: center;
    width: 2.75rem; height: 2.75rem; padding: 0; border-radius: 50%; font-size: 0;
    background: #09090b; color: #fff; box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.2);
  }
  .orbit.is-live .slide-zoom::after { content: "\2197"; font-family: var(--font-sans); font-size: 1rem; line-height: 1; }
  @media (prefers-reduced-motion: reduce) { .orbit.is-live .slide { transition: none; } }
  
  .orbit.is-live.is-swipe {
    display: flex; gap: 1rem; overflow-x: auto; overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch;
    width: 100%; padding: 0.5rem calc((100% - min(78vw, 21rem)) / 2) 2rem; height: auto;
  }
  .orbit.is-live.is-swipe::-webkit-scrollbar { display: none; }
  .orbit.is-live.is-swipe .slide {
    position: relative; left: auto; top: auto; flex: 0 0 min(78vw, 21rem);
    transform: none; transition: none; scroll-snap-align: center;
    box-shadow: 0 20px 40px -24px rgb(0 0 0 / 0.6); align-self: flex-start;
  }

  
  .tabs { display: flex; flex-direction: column; gap: 0.5rem; }
  .tabs-list { display: none; }
  .tabs.is-live .tabs-list {
    position: relative; display: inline-flex; align-self: flex-start; max-width: 100%;
    height: 2.75rem; padding: 3px; border-radius: 0.5rem; overflow-x: auto; scrollbar-width: none;
    background: color-mix(in srgb, var(--fg) 8%, transparent); color: var(--fg-dim);
  }
  .tabs-list::-webkit-scrollbar { display: none; }
  .tabs-trigger {
    position: relative; z-index: 1; flex: 1 0 auto; display: inline-flex; align-items: center; justify-content: center;
    height: 100%; padding: 0.25rem 0.9rem; border: 1px solid transparent; border-radius: 0.375rem;
    background: none; cursor: pointer; white-space: nowrap;
    font-family: var(--font-sans); font-size: 0.875rem; font-weight: 500; letter-spacing: -0.01em;
    color: var(--fg-dim); transition: color 0.5s ease-in-out;
  }
  .tabs-trigger[aria-selected="true"] { color: var(--fg); }
  .tabs-trigger:focus-visible { outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--fg) 25%, transparent); }
  .tabs-pill {
    position: absolute; left: 0; top: 0; z-index: 0; opacity: 0; pointer-events: none;
    border-radius: 0.375rem; background: var(--bg); box-shadow: 0 1px 2px rgb(0 0 0 / 0.08);
    transition: transform 0.7s var(--spring-tabs, cubic-bezier(0.25, 1.1, 0.5, 1)),
                width 0.7s var(--spring-tabs, cubic-bezier(0.25, 1.1, 0.5, 1));
  }
  .tabs-card {
    border: 1px solid var(--line); border-radius: 0.75rem; background: var(--surface);
    padding: clamp(1.25rem, 2.4vw, 1.75rem);
  }
  .tabs-contents { overflow: hidden; }
  .tabs-content { outline: none; max-width: 60rem; }
  .tabs:not(.is-live) .tabs-content + .tabs-content { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
  .tabs-content h4, .tabs-content h3 { margin-top: 0.6rem; font-size: clamp(1.15rem, 1.6vw, 1.35rem); font-weight: 500; letter-spacing: -0.02em; }
  .tabs-content > p:last-child { margin-top: 0.6rem; font-size: 0.97rem; line-height: 1.55; color: var(--fg-dim); max-width: 62ch; }
  .tabs-content:focus-visible { box-shadow: 0 0 0 3px color-mix(in srgb, var(--fg) 25%, transparent); border-radius: 0.375rem; }
  @media (prefers-reduced-motion: reduce) { .tabs-pill, .tabs-trigger { transition: none; } }
  
  @media (max-width: 40rem) {
    .tabs.is-live .tabs-list { display: grid; grid-template-columns: 1fr 1fr; align-self: stretch; height: auto; overflow: visible; }
    .tabs-trigger { min-height: 2.75rem; }
  }

  
  .cards-2 { display: grid; grid-template-columns: 1fr; gap: clamp(1rem, 1.6vw, 1.5rem); }
  @media (min-width: 60rem) { .cards-2 { grid-template-columns: 1fr 1fr; } }
  .cards-2 > .card { display: flex; flex-direction: column; }
  .cards-2 > .card > .card-foot { margin-top: auto; }
  .cards-2 .card-name { font-size: clamp(2.2rem, 3.4vw, 3.2rem); }
  .cards-2 .chart svg { height: clamp(90px, 9vw, 130px); }
  .card-say { padding: 0 clamp(1.6rem, 2.6vw, 2.4rem) clamp(1.2rem, 2vw, 1.6rem); font-size: 0.97rem; line-height: 1.5; color: var(--fg-dim); max-width: 52ch; }
  .card-btns { display: flex; flex-wrap: wrap; gap: 0.6rem; }
  
  @media (max-width: 640px) {
    .cards-2 > .pcard { min-width: 0; }
    .card-btns { flex-wrap: nowrap; gap: 0.5rem; flex: 1 1 100%; min-width: 0; }
    .cards-2 > .pcard > .pcard-foot { margin-inline: 0; }
    .card-btns > .btn { flex: 0 1 auto; min-width: 0; white-space: nowrap;
                        padding-inline: 1rem; gap: 0.4rem; font-size: 0.86rem; }
    .card-btns > .btn .flip-face { padding-inline: 1rem; gap: 0.4rem; }  
  }
  @media (max-width: 400px) {
    .card-btns > .btn, .card-btns > .btn .flip-face { padding-inline: 0.6rem; gap: 0.35rem; }
  }
  @media (max-width: 640px) {
    .card-btns > .btn.flip { padding-inline: 0; }   
  }
  @media (max-width: 340px) {            
    .card-btns { flex-wrap: wrap; }
    .card-btns > .btn { flex: 1 1 100%; }
  }
  .card-strip .card-top { align-items: center; }
  .card-strip .card-name { font-size: clamp(1.8rem, 2.6vw, 2.4rem); }
  .card-foot-inline { display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center; }

  
  .abtn-outline { background: transparent; color: var(--fg); box-shadow: inset 0 0 0 1px var(--line); }
  .abtn-outline:hover { background: color-mix(in srgb, var(--fg) 10%, transparent); }
  .abtn-outline:focus-visible { box-shadow: inset 0 0 0 1px var(--line), 0 0 0 3px color-mix(in srgb, var(--fg) 30%, transparent); }
  .abtn-outline[disabled] { opacity: 0.5; cursor: default; scale: none; }
  .abtn-icon { width: 2.25rem; padding: 0; }
  .abtn-icon::after { inset: -4px; }
  .abtn-ico { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  
  .orbit.is-live .slide-zoom::after { content: none; }
  .orbit.is-live .slide-zoom svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

  
  .pcard {
    display: flex; flex-direction: column; padding: 1rem; border-radius: 1.9rem;
    border: 1px solid rgb(0 0 0 / 0.1); background: #e9e6df; color: var(--black-400);
  }
  .pcard-pic {
    position: relative; display: flex; align-items: center; justify-content: center;
    aspect-ratio: 2.1; padding: 1.4rem 1.25rem; overflow: hidden; color: #09090b;
    border-radius: 1.45rem; border: 1px solid rgb(0 0 0 / 0.08); background: rgb(0 0 0 / 0.045);
  }
  .pcard-pic svg { width: 100%; height: 100%; }
  .pcard-pic > svg path { stroke-width: 1.5; }
  .pcard-badge {
    position: absolute; top: 0.75rem; right: 0.75rem; display: grid; place-items: center;
    width: 2.75rem; height: 2.75rem; border-radius: 50%; background: #09090b; color: #fff;
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.2); transition: scale 0.2s ease;
  }
  .pcard-badge svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  .pcard-pic:hover .pcard-badge { scale: 1.06; }
  .pcard-pic:focus-visible { outline: 2px solid #09090b; outline-offset: 3px; }
  .pcard-eyebrow { margin: 1.5rem 0.5rem 0; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: #5f5f67; }
  .pcard-name { margin: 0.5rem 0.5rem 0; font-size: clamp(2rem, 3vw, 2.6rem); font-weight: 600; line-height: 1; letter-spacing: -0.04em; color: #09090b; }
  .pcard-desc { margin: 0.75rem 0.5rem 0; max-width: 34rem; font-size: 0.98rem; font-weight: 500; line-height: 1.42; letter-spacing: -0.01em; color: #3f3f46; }
  .pcard-foot {
    margin: 1.25rem 0.5rem 0.5rem; padding-top: 1.1rem; border-top: 1px solid rgb(0 0 0 / 0.1);
    display: flex; flex-wrap: wrap; gap: 1rem 1.25rem; align-items: center; justify-content: space-between;
  }
  .cards-2 > .pcard > .pcard-foot { margin-top: auto; }
  .cards-2 > .pcard > .pcard-desc { margin-bottom: 1.25rem; }
  .pcard .micro { color: #5f5f67; }
  
  .pcard-strip {
    grid-column: 1 / -1; padding: clamp(1.4rem, 2.2vw, 1.9rem);   
    flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.25rem 2rem;
  }
  .pcard-strip .pcard-eyebrow, .pcard-strip .pcard-name, .pcard-strip .pcard-desc,
  .pcard-strip .pcard-foot { margin-left: 0; margin-right: 0; }
  .pcard-strip .pcard-eyebrow { margin-top: 0; }
  .pcard-strip .pcard-desc { margin-bottom: 0; }
  .pcard-strip .pcard-foot { margin: 0; padding-top: 0; border-top: 0; }

  
  .specs { border-top: 0; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); }
  .card > .specs { padding: 0 clamp(1.6rem, 2.6vw, 2.4rem) clamp(1.6rem, 2.6vw, 2.4rem); }
  
  .specs:has(~ .sizing) { padding-inline: clamp(1.6rem, 2.6vw, 2.4rem); }
  
  .specs ~ .sizing { border-top: 0; }
  .spec {
    border: 1px solid var(--glass-line); border-radius: var(--radius-main); background: var(--glass);
    padding: 1.4rem; gap: 0.6rem;
  }
  .spec-k { font-family: var(--font-sans); font-size: 0.86rem; line-height: 1.45; color: var(--fg-dim); }
  @media (max-width: 40rem) { .specs { grid-template-columns: 1fr 1fr; gap: 0.75rem; } .spec { padding: 1.1rem; } .spec-k { font-size: 0.8rem; } }

  
  .pcard-pic { padding-top: calc(0.75rem + 2.75rem + 0.6rem); }
  
  .pcard-ret { margin: 0.9rem 0.5rem 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.35rem 0.9rem; }
  .pr-pct { font-size: clamp(1.4rem, 2vw, 1.75rem); font-weight: 600; letter-spacing: -0.03em; color: #09090b; font-variant-numeric: tabular-nums; }
  .pr-usd { font-size: 1rem; font-weight: 500; letter-spacing: -0.01em; color: #3f3f46; font-variant-numeric: tabular-nums; }
  .pcard-ret-note { margin: 0.35rem 0.5rem 0; font-family: var(--font-mono); font-size: 0.66rem; line-height: 1.5; color: #5f5f67; }
  h1.micro { line-height: 1.5; font-weight: 400; }   


.pcard-video { margin-top: clamp(0.5rem, 1vw, 1rem); }
.pcard-vid { aspect-ratio: 16 / 9; padding: 0; background: #080807; }
.pcard-vid .ayb { display: block; width: 100%; height: 100%; object-fit: cover; }

.pcard-vid { -webkit-touch-callout: none; user-select: none; }
.pcard-vid .ayb { pointer-events: none; -webkit-user-drag: none; }

.vid-expand { border: 0; padding: 0; cursor: pointer; z-index: 1; background: #e9e6df; color: #09090b; }   
.vid-expand:hover { scale: 1.06; }
.vid-expand:focus-visible { outline: 2px solid #e9e6df; outline-offset: 3px; }
.pcard-vid .ayb:fullscreen { object-fit: contain; background: #080807; }
.pcard-video .pcard-desc { max-width: 34rem; margin-bottom: 0.5rem; }

.pcard-vnote { margin: 1.25rem 0.5rem 0.25rem; color: #5f5f67; line-height: 1.5; }
@media (min-width: 60rem) {
  .pcard-video { display: grid; grid-template-columns: minmax(0, 4.2fr) minmax(0, 1fr); gap: 0 clamp(1.25rem, 2vw, 2rem); align-items: stretch; }
  .pcard-vtext { display: flex; flex-direction: column; padding: clamp(0.4rem, 0.8vw, 0.8rem) 0.4rem 0.5rem 0; }
  .pcard-vtext .pcard-eyebrow { margin: 0; }
  .pcard-vtext .pcard-name { margin: 0.7rem 0 0; font-size: clamp(1.7rem, 2.3vw, 2.15rem); line-height: 1.02; }
  .pcard-vtext .pcard-desc { margin: 1rem 0 0; max-width: none; font-size: 0.94rem; line-height: 1.5; }
  .pcard-vtext .pcard-vnote { margin: auto 0 0; padding-top: 1rem; border-top: 1px solid rgb(0 0 0 / 0.1); }
}


.legal .band.stack-xl { gap: clamp(2rem, 3.4vw, 3rem); }
.legal .row {
  grid-template-columns: clamp(4.5rem, 7vw, 6.5rem) minmax(0, 1fr);
  gap: 0.6rem 1.5rem; padding-block: clamp(1.1rem, 1.8vw, 1.6rem);
}
.legal .row-body { gap: 0.55rem; max-width: 62ch; }
.legal .row-body h4, .legal .row-body .clause-t { margin-bottom: 0.1rem; }
.legal .row-body p { line-height: 1.47; }
.legal .ticks { margin-top: 0.6rem; max-width: 66ch; }
.legal .ticks li { margin-top: 0.4rem; line-height: 1.47; }
@media (max-width: 40rem) { .legal .row { grid-template-columns: 1fr; gap: 0.35rem; } }


.hero-facts { list-style: none; margin: 1.6rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.55rem 1.4rem;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-dim); }
.hero-facts li { display: flex; align-items: center; gap: 0.5rem; }
.hero-facts li::before { content: ""; width: 0.38rem; height: 0.38rem; border-radius: 50%; background: var(--fg); opacity: 0.7; }

.fold { border-top: 1px solid var(--line); }
.fold-s { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 0; font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-dim); }
.fold-s::-webkit-details-marker { display: none; }
.fold-s:hover { color: var(--fg); }
.fold[open] > .fold-s { color: var(--fg); }
.fold > .pain, .fold > .pain-note { margin-bottom: 1rem; }

  
  .kt-m { display: inline-block; vertical-align: baseline; clip-path: inset(-0.12em -0.08em -0.3em -0.08em); }
  .kt-w { display: inline-block; opacity: 0; transform: translateY(20px); filter: blur(6px);
          transition: opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1), transform 0.72s cubic-bezier(0.22, 1, 0.36, 1),
                      filter 0.72s cubic-bezier(0.22, 1, 0.36, 1);
          transition-delay: calc(var(--kt, 0) * 0.075s); will-change: transform, opacity, filter; }
  [data-kinetic].is-in .kt-w { opacity: 1; transform: none; filter: blur(0); }
  .kt-sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
           clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
  @media (prefers-reduced-motion: reduce) {
    .kt-w { transform: none; filter: none; transition: opacity 0.01s; transition-delay: 0s; }
  }

  
  .cards-2 > .pcard-bundle { grid-column: 1 / -1; }
  .bundle-pic { padding: 0; background: #dfdcd5; text-decoration: none; }
  .bundle-pic .ayb { display: block; width: 100%; height: 100%; object-fit: cover; pointer-events: none; -webkit-user-drag: none; }
  .bundle-pic { -webkit-touch-callout: none; user-select: none; }
  .bundle-body { display: flex; flex-direction: column; min-width: 0; }
  .bundle-body .pcard-desc { margin-bottom: 1.25rem; }
  .bundle-body .pcard-foot { margin-top: auto; }
  @media (min-width: 60rem) {
    .pcard-bundle { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
                    column-gap: calc(clamp(1rem, 1.6vw, 1.5rem) + 2rem); align-items: stretch; }
    .pcard-bundle .pcard-eyebrow { margin-top: 1rem; }
    .pcard-bundle .bundle-pic { align-self: start; }   
  }

  
  .pcard .price { color: #09090b; }   
  @media (min-width: 761px) {
    .pcard-foot {
      display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "micro micro" "price btns";
      align-items: center; gap: 0.9rem 1.5rem;
    }
    .pcard-foot > .stack-sm { display: contents; }
    .pcard-foot .price { grid-area: price; justify-self: start; align-self: center; font-size: clamp(2.6rem, 3.6vw, 3.4rem); }
    .pcard-foot .micro { grid-area: micro; }
    .pcard-foot > .card-btns, .pcard-foot > .btn { grid-area: btns; justify-self: end; align-self: center; }
    .pcard-bundle .pcard-foot { align-items: center; }
  }

  
  
  .display[data-flip-words] { font-size: clamp(3.25rem, 8.2vw, 8.4rem); }
  .fw { display: inline-grid; vertical-align: top; }
  .fw-l { grid-area: 1 / 1; }
  .fw-w { display: inline-block; white-space: nowrap; perspective: 800px; }
  .fw-c { display: inline-block; backface-visibility: hidden; will-change: transform, opacity;
          transition: transform 0.4s cubic-bezier(0.55, 0.085, 0.68, 0.53), opacity 0.4s cubic-bezier(0.55, 0.085, 0.68, 0.53);
          transition-delay: calc(var(--fi, 0) * 44ms); }
  .fw-l[data-s="in"] .fw-c { transform: none; opacity: 1; transform-origin: 50% 100%;
          transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); }
  .fw-l[data-s="out"] .fw-c { transform: rotateX(82deg); opacity: 0; transform-origin: 50% 0; }
  .fw-l[data-s="wait"] .fw-c { transform: rotateX(-82deg); opacity: 0; transform-origin: 50% 100%; transition: none; }

  
  :root { --nav-h: 3.75rem; }
  .nav-bar { position: fixed; top: 0; left: 0; right: 0; background: transparent; border-bottom: 0;
             padding-top: 0.75rem; pointer-events: none; }
  .hero { padding-top: calc(clamp(4.5rem, 5.5vw, 6.5rem) + var(--nav-h)); }
  main > section:first-child:not(.hero) { padding-top: calc(var(--section-main) + var(--nav-h)); }
  .nav-in {
    pointer-events: auto; padding: 0.375rem 0.375rem 0.375rem 1.4rem; border-radius: 1.5rem;
    background: rgb(30 29 27 / 0.42);
    -webkit-backdrop-filter: blur(20px) saturate(170%); backdrop-filter: blur(20px) saturate(170%);
    border: 0;   
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.16),
                0 14px 34px -16px rgb(0 0 0 / 0.65);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
  }
  .nav-bar .abtn.buy-trigger { border-radius: 1.125rem; padding-inline: 1.15rem; }
  .nav-bar.on-light .nav-in {
    color: #09090b; background: rgb(255 255 255 / 0.46);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.85), 0 14px 34px -16px rgb(60 58 52 / 0.35);
  }
  .nav-bar.on-light .nav-links > a:not(.abtn) { color: #52525b; }
  .nav-bar.on-light .nav-links > a:not(.abtn):hover, .nav-bar.on-light .nav-links > a.on { color: #09090b; }
  .nav-bar.on-light .abtn.buy-trigger { background: #09090b; color: #e8e8e3; }
  
  .nav-bar.is-hidden { transform: none; }
  
  .nav-bar .menu {
    top: calc(100% + 0.375rem + 0.625rem); border-radius: 1rem; padding: 0.35rem;
    
    background: rgb(26 25 23);
    border: 0;
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.14), 0 18px 40px -18px rgb(0 0 0 / 0.7);
  }
  .nav-bar .menu-pill { border-radius: 0.7rem; background: rgb(255 255 255 / 0.08); }
  @supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .nav-in, .nav-bar .menu { background: color-mix(in srgb, var(--black-400) 92%, transparent); }
    .nav-bar.on-light .nav-in { background: rgb(233 230 223 / 0.95); }
  }

  
  .hero:has(.hero-mark) { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; }
  .hero:has(.hero-mark) > .band { flex: none; }
  .hero:has(.hero-mark) > .hero-mark { margin-top: auto; }

  
  .learn .band.stack-xl { gap: 1.1rem; }      
  .learn h1 { margin-bottom: 0.75rem; }
  .learn h2 { margin-top: clamp(1.75rem, 3.5vw, 2.75rem); font-size: clamp(1.35rem, 2.2vw, 1.8rem); letter-spacing: -0.02em; }
  .learn .lede { margin-bottom: 0.5rem; }
  .learn-cards { margin-top: 1.5rem; }
  .learn .micro a { color: inherit; }
  .learn-list { padding-left: 1.2rem; display: grid; gap: 0.6rem; line-height: 1.6; }
  .learn code { white-space: normal; font-size: 0.9em; padding: 0.05em 0.35em; border-radius: 0.35rem;
                background: color-mix(in srgb, var(--fg) 8%, transparent); }
  .learn-table { border-collapse: collapse; width: min(100%, 34rem); font-variant-numeric: tabular-nums; }
  .learn-table th, .learn-table td { padding: 0.7rem 1.2rem 0.7rem 0; text-align: left; border-bottom: 1px solid var(--line); }
  .learn-table thead th { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 400; color: var(--fg-dim); }
  .learn-table td { font-size: 1.05rem; }
  .learn-more { margin-top: clamp(1.5rem, 3vw, 2.5rem); padding-top: 1.25rem; border-top: 1px solid var(--line); }
  .learn-more ul { list-style: none; padding: 0; margin-top: 0.75rem; display: grid; gap: 0.5rem; }
  .learn-cards { display: grid; gap: 1rem; grid-template-columns: 1fr; }
  @media (min-width: 60rem) { .learn-cards { grid-template-columns: repeat(3, 1fr); } }
  .learn-card { display: flex; flex-direction: column; gap: 0.75rem; padding: 1.5rem; border-radius: 1.25rem;
                text-decoration: none; color: inherit; background: var(--glass); border: 1px solid var(--glass-line);
                transition: border-color 0.2s ease, transform 0.2s ease; }
  .learn-card:hover { border-color: color-mix(in srgb, var(--fg) 40%, transparent); transform: translateY(-2px); }
  .learn-card-t { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
  .learn-card-d { color: var(--fg-dim); line-height: 1.5; }
  .learn-card-go { margin-top: auto; font-family: var(--font-mono); font-size: 0.75rem; }
  
  .learn-card--lead { grid-column: 1 / -1; padding: clamp(1.5rem, 3vw, 2.25rem); border-color: color-mix(in srgb, var(--fg) 28%, transparent); }
  .learn-card--lead .learn-card-t { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
  .learn-card--lead .learn-card-d { max-width: 60ch; font-size: 1.05rem; }


  
  .tkit { margin-top: 1.5rem; display: grid; gap: 1.25rem; padding: clamp(1.25rem, 2.6vw, 1.75rem);
          border-radius: 1.25rem; background: var(--glass); border: 1px solid var(--glass-line); }
  @media (min-width: 52rem) { .tkit { grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 3vw, 2.5rem); } }
  .tkit-in { display: grid; gap: 0.9rem; align-content: start; }
  
  .tkit-in label { display: grid; grid-template-columns: 1fr auto; gap: 0.3rem 0.75rem;
                   font-size: 0.95rem; color: var(--fg-dim); }
  
  .tkit-u { grid-column: 2; grid-row: 1; justify-self: end; align-self: baseline;
            font-family: var(--font-mono); font-size: 0.7rem; opacity: 0.75; }
  .tkit-in input { grid-column: 1 / -1;
                   width: 100%; min-height: 2.75rem; padding: 0.4rem 0 0.5rem; background: transparent;
                   border: 0; border-bottom: 1px solid var(--line); color: var(--fg);
                   font-family: var(--font-sans); font-size: 1.15rem; letter-spacing: -0.01em;
                   font-variant-numeric: tabular-nums; border-radius: 0; }
  .tkit-in input:focus { outline: none; border-bottom-color: var(--fg); }
  .tkit-out { display: grid; gap: 0.1rem; align-content: start; }
  .tkit-row { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 0.5rem 1rem;
              padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
  
  @media (max-width: 52rem) {
    .tkit-row { grid-template-columns: 1fr; gap: 0.15rem; }
    .tkit-row b { justify-self: start; }
  }
  .tkit-row span { color: var(--fg-dim); font-size: 0.95rem; }
  .tkit-row b { font-size: 1.3rem; font-weight: 500; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
  .tkit-row i { grid-column: 1 / -1; font-style: normal; font-family: var(--font-mono);
                font-size: 0.7rem; color: var(--fg-dim); }
  .tkit-note { margin-top: 0.9rem; font-size: 0.9rem; line-height: 1.5; color: var(--fg-dim); }
  .tkit-table { margin-top: 1.5rem; }


  
  .nav-links > a, .nav-links .abtn, .nav-links .menu-label, .nav-links .mi-name {
    text-transform: uppercase; letter-spacing: 0.06em;
  }
  .nav-links > a:not(.abtn), .nav-links .abtn { font-size: 0.8125rem; }


  
  body.has-dock { padding-bottom: 6.5rem; }
  .dock {
    --di: 3rem; position: fixed; z-index: 55; left: 0; right: 0; margin-inline: auto; width: max-content;
    bottom: calc(0.9rem + env(safe-area-inset-bottom, 0px));
    display: flex; align-items: flex-end; gap: 0.5rem; padding: 0.6rem; border-radius: 1.5rem;
    background: rgb(30 29 27 / 0.42); color: var(--beige-100);
    -webkit-backdrop-filter: blur(20px) saturate(170%); backdrop-filter: blur(20px) saturate(170%);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.16), 0 18px 40px -16px rgb(0 0 0 / 0.65);
    transition: translate 0.25s ease, opacity 0.2s ease;
  }
  .dock.is-away { translate: 0 140%; opacity: 0; pointer-events: none; }
  .dock-i {
    --ds: 1; position: relative; display: block; flex: none; text-decoration: none; color: inherit;
    width: calc(var(--di) * var(--ds)); height: calc(var(--di) * var(--ds));
    transform: translateY(calc((var(--ds) - 1) * -10px)); outline: none;
  }
  .dock-t {
    display: grid; place-items: center; width: 100%; height: 100%; border-radius: 0.95rem;
    background: linear-gradient(180deg, rgb(255 255 255 / 0.12), rgb(255 255 255 / 0.04));
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.22), 0 4px 12px rgb(0 0 0 / 0.25);
  }
  .dock-t svg { width: 45%; height: 45%; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
  .dock-i:hover .dock-t, .dock-i:focus-visible .dock-t { background: linear-gradient(180deg, rgb(255 255 255 / 0.2), rgb(255 255 255 / 0.07)); }
  .dock-i:focus-visible .dock-t { box-shadow: 0 0 0 2px rgb(232 232 227 / 0.6); }
  .dock-i.is-on .dock-t { background: linear-gradient(180deg, rgb(255 255 255 / 0.26), rgb(255 255 255 / 0.1)); }
  .dock-i.is-on::after { content: ""; position: absolute; left: 50%; bottom: -0.45rem; width: 0.3rem; height: 0.3rem;
                         margin-left: -0.15rem; border-radius: 50%; background: currentColor; opacity: 0.8; }
  .dock-c { display: none; }
  .dock-l {
    position: absolute; left: 50%; bottom: calc(100% + 0.55rem); translate: -50% 0.3rem; opacity: 0; pointer-events: none;
    padding: 0.35rem 0.65rem; border-radius: 0.6rem; white-space: nowrap;
    font-family: var(--font-sans); font-size: 0.8rem; font-weight: 500; color: var(--beige-100);
    background: rgb(26 25 23); box-shadow: 0 10px 24px -10px rgb(0 0 0 / 0.7);
    transition: opacity 0.15s ease-out, translate 0.15s ease-out;
  }
  .dock-i:hover .dock-l, .dock-i:focus-visible .dock-l { opacity: 1; translate: -50% 0; }
  .dock-sep { align-self: stretch; width: 1px; margin: 0.35rem 0.15rem; background: rgb(255 255 255 / 0.14); }
  
  @media (hover: none), (max-width: 40rem) {
    body.has-dock { padding-bottom: 7.5rem; }
    .dock { width: min(100vw - 1rem, 27rem); gap: 0.15rem; padding: 0.45rem 0.35rem 0.4rem; border-radius: 1.3rem; align-items: flex-start; }
    .dock-i { flex: 1 1 0; min-width: 0; width: auto; height: auto; transform: none; display: grid; justify-items: center; gap: 0.25rem; }
    .dock-t { width: 2.5rem; height: 2.5rem; border-radius: 0.8rem; }
    .dock-c { display: block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
              font-family: var(--font-sans); font-size: 0.66rem; font-weight: 500; line-height: 1.1; opacity: 0.85; }
    .dock-i.is-on .dock-c { opacity: 1; }
    .dock-i.is-on::after { display: none; }
    .dock-l { display: none; }
    .dock-sep { align-self: center; height: 2.2rem; margin: 0 0.05rem; flex: none; }
  }
  @media (max-width: 22.5rem) { .dock-c { font-size: 0.56rem; letter-spacing: -0.01em; } .dock-t { width: 2.3rem; height: 2.3rem; } }  
  @supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .dock { background: color-mix(in srgb, var(--black-400) 92%, transparent); }
  }